Air Intake - MTU 20 V 4000 M73 x Operating Instructions Manual

7.10 Air Intake

7.10.1 Service indicator – Signal ring position check (optional)
Preconditions
☑ Engine is stopped and starting disabled.
Checking signal ring position
1. If the signal ring is completely visible in the
control window (2), replace air filter
(→ Page 139).
2. After installation of new filter, press reset
button (1).
Result: Engaged piston with signal ring moves
back to initial position.
MS150046/02E 2013-07 | Task Description | 141